TWAMP Applications on an L3VPN
Statistics about the performance of various network segments can be collected based on the control-client's location on a Layer 3 virtual private network (L3VPN).
When the control-client is located on the private network side:
As shown in Figure 1, the CE functions as the control-client and initiates a Two-Way Active Measurement Protocol (TWAMP) test for PE1 and PE2 each. By comparing the two sets of statistics, users can check statistics about the user network interface to user network interface (UNI-UNI) performance between PE1 and PE2.
When the control-client is located on the public network side:
As shown in Figure 2, PE1 functions as the control-client and initiates a TWAMP test for the P and PE2 each. By comparing the two sets of statistics, users can check statistics about the UNI-UNI performance between the P and PE2.
